Linkage

Standardisation

All interview questionnaires and tests are standardised on behalf of longitudinal analysis

Possibility of linkage among databases

This is possible (and has been done) based on year of birth, age, sex, postal code.

Linkage

Standardisation

All interview questionnaires and tests are standardised on behalf of longitudinal analysis.

Possibility of linkage among databases

This is possible (and has been done) based on year of birth, age, sex, postal code.

Linkage

Standardisation

All interview questionnaires and tests are standardised on behalf of longitudinal analysis.

Possibility of linkage among databases

This is possible (and has been done) based on year of birth, age, sex, postal code.

Linkage

Standardisation

All interview questionnaires and tests are standardised on behalf of longitudinal analysis.

Possibility of linkage among databases

This is possible (and has been done) based on year of birth, age, sex, postal code.

Linkage

Standardisation

All interview questionnaires and tests are standardised on behalf of longitudinal analysis

Possibility of linkage among databases

This is possible (and has been done) based on year of birth, age, sex, postal code.

Linkage

Standardisation

All interview questionnaires and tests are standardised on behalf of longitudinal analysis

Possibility of linkage among databases

This is possible (and has been done) based on year of birth, age, sex, postal code.

Linkage

Standardisation

All interview questionnaires and tests are standardised on behalf of longitudinal analysis.

Possibility of linkage among databases

This is possible (and has been done) based on year of birth, age, sex, postal code.

Data quality

Entry errors if applicable

Survey errors

Breaks

No

Consistency of terminology or coding used during collection

Key concepts are consistent since initiation in 1992

Data quality

Entry errors if applicable

Survey errors

Breaks

No

Consistency of terminology or coding used during collection

Key concepts are consistent since initiation in 1992

Data quality

Entry errors if applicable

Survey errors

Breaks

No

Consistency of terminology or coding used during collection

Key concepts are consistent since initiation in 1992

Data quality

Entry errors if applicable

Survey errors

Breaks

No

Consistency of terminology or coding used during collection

Key concepts are consistent since initiation in 1992

Data quality

Entry errors if applicable

Survey errors

Breaks

No

Consistency of terminology or coding used during collection

Key concepts are consistent since initiation in 1992

Data quality

Entry errors if applicable

Survey errors

Breaks

No

Consistency of terminology or coding used during collection

Key concepts are consistent since initiation in 1992

Data quality

Entry errors if applicable

Survey errors

Breaks

No

Consistency of terminology or coding used during collection

Key concepts are consistent since initiation in 1992

Applicability

Strengths:
The survey was developed under a multidisciplinary approach.
Weaknesses:
For some research questions, there are an insufficient number of participants, e.g., in care institutions (although the participants are followed wherever they move).

Applicability

Strengths:
The survey was developed under a multidisciplinary approach.
Weaknesses:
For some research questions, there are an insufficient number of participants, e.g., in care institutions (although the participants are followed wherever they move).

Applicability

Strengths:
The survey was developed under a multidisciplinary approach.
Weaknesses:
For some research questions, there are an insufficient number of participants, e.g., in care institutions (although the participants are followed wherever they move).

Applicability

Strengths:
The survey was developed under a multidisciplinary approach.
Weaknesses:
For some research questions, there are an insufficient number of participants, e.g., in care institutions (although the participants are followed wherever they move).

Applicability

Strengths:
The survey was developed under a multidisciplinary approach.
Weaknesses:
For some research questions, there are an insufficient number of participants, e.g., in care institutions (although the participants are followed wherever they move).

Applicability

Strengths:
The survey was developed under a multidisciplinary approach.
Weaknesses:
For some research questions, there are an insufficient number of participants, e.g., in care institutions (although the participants are followed wherever they move).

Applicability

Strengths:
The survey was developed under a multidisciplinary approach.
Weaknesses:
For some research questions, there are an insufficient number of participants, e.g., in care institutions (although the participants are followed wherever they move).